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Table 2 Anthropometric indices, serum vitamin A and zinc status of the school children

From: Prevalence and predictors of under-nutrition among school children in a rural South-eastern Nigerian community: a cross sectional study

  6–9 years 10–12 years 13–15 years Total   
Variables N (%) N (%) N (%) N (%) *P value 95% CI
Weight-for-age (N = 176)
 Underweight 23(15.6) 9(31.1) ……. 32(18.2) 0.037 10.3–27.3
 Normal 109(74.2) 20(68.9) …..... 129(73.3)   59.1–87.5
 Overweight 15(10.2) 0(0.0) ……. 15(8.5)   4.5–13.1
 Total 147(100.0) 29(100.0) ……. 176(100.0)  
Height-for-age (N = 450)
 Stunted 50(34.0) 52(44.1) 85(45.9) 187(41.6) 0.002 25.0–45.5
 Normal 97(65.0) 66(55.9) 100(54.1) 262(58.4)   47.7–75.6
 Total 147(100.0) 118(100.0) 185(100.0 450(100.0)  
Body Mass Index-for-age (N = 450)
 Thinness 20(13.6) 17(14.4) 53(28.6) 90(20.0) 0.000 6.8–22.1
 Normal 94(70.7) 91(77.1) 123(66.5) 318(70.7) 58.5–88.1
 Overweight 23(15.7) 10(8.5) 9(4.9) 42(9.3)   8.0–18.2
 Total 147(100.0) 118(100.0) 185(100.0) 450(100.0)   
Serum vitamin A status (N = 90)
 Deficient (≤20 μg/dl) 18(56.2) 11(44.0) 17(51.5) 46(51.1) 0.497 41.1–61.1
 Normal (> 20 μg/dl) 14(43.8) 14(56.0) 16(48.5) 44(48.9)   38.9–58.9
 Total 32(100.0) 25(100.0) 33(100.0) 90(100.0)  
Serum zinc status (N = 90)
 Normal (≥80 μg/dl) 17(53.1) 13(52.0) 21(63.6) 51(56.7) 0.595 46.7–66.7
 Deficient (< 80 μg/dl) 15(46.9) 12(48.0) 12(36.4) 39(43.3)   33.3–53.3
 Total 32(100.0) 25(100.0) 33(100.0) 90(100.0)   
  1. *P values were generated through chi square analysis, CI Confidence interval